Past Perfect: HAD + 3V (past participle)
1. We arrived at the cinema late. The film had already begun.
2. They weren’t eating when I came to see them. They had just finished their dinner.
3. I was very pleased to see her again after such a long time. I hadn't seen her for five years.
4. Mary was late for work. Her boss was very surprised. She had never been late before.
5. I didn’t recognize Mr. Davis. He had changed a lot.
6. Bill no longer had his car. He had sold it.